acid rain造句
91. Compared with single acid rain pollution, compound pollution made contents of Fe in spinach and romaine lettuce raised 1.48 and 15.89 times, but the contents of Mg decreased slightly.
92. Nor is acid rain always, and universally, a bad thing.
93. Huge amounts of sulfur dioxide added to the atmosphere created acid rain, disrupted regional climate and left a lingering fog shrouding parts of the Northern Hemisphere.
94. This article discusses the formation, distributional characteristics, change rule, damage and control policy of acid rain.
95. It the emission rate of sulfur accorded theand the frequency of acid rain of Guangdong province.
96. When the volcanic eruptions occurred 250 million years ago, they set off a mass extinction and released acid gases, leading to a variety of changes in the earth's environment, including acid rain.
97. The greenhouse warming and the acid rain also did for the forests and many of the reptiles.
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